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Sendsig, LLC

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Records under this name other than patents Sendsig, LLC holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

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PatentTitleStatus Expires Confidence
US 6,798,907System, computer software product and method for transmitting and processing handwritten data
Term ended
Term ended Oct 12, 2022 · From the USPTO record
Term endedTerm ended Oct 12, 2022From the USPTO record
US 7,777,729System and method for editing handwritten data
Term ended
Term ended Nov 12, 2021 · From the USPTO record
Term endedTerm ended Nov 12, 2021From the USPTO record
US 7,516,183Method and System for Creating and Sending Handwritten or Handdrawn Messages via Mobile Devices
Formerly held
Lapsed on the fee record
Ended Apr 7, 2021 · High confidence
Lapsed on the fee recordEnded Apr 7, 2021High confidence
US 7,486,824System, computer software product and method for transmitting and processing handwritten data
Lapsed on the fee record
Ended Feb 3, 2021 · From the USPTO record
Lapsed on the fee recordEnded Feb 3, 2021From the USPTO record
US 7,869,655System, computer software product and method for transmitting and processing handwritten data
Term ended
Ended no later than Jan 24, 2021 · From the USPTO record
Term endedEnded no later than Jan 24, 2021From the USPTO record
US 6,304,898Method and system for creating and sending graphical email
Formerly held
Term ended
Term ended Oct 11, 2020 · From the USPTO record
Term endedTerm ended Oct 11, 2020From the USPTO record
US 6,564,249Method and System for Creating and Sending Handwritten or Handdrawn Messages
Formerly held
Term ended
Ended no later than Oct 11, 2020 · Low confidence
Term endedEnded no later than Oct 11, 2020Low confidence
US 6,763,373Method and System for Creating and Sending Handwritten or Handdrawn Messages
Formerly held
Term ended
Ended no later than Oct 11, 2020 · Low confidence
Term endedEnded no later than Oct 11, 2020Low confidence
US 8,782,159Method and System for Creating and Sending Handwritten or Handdrawn Messages via Mobile Devices
Formerly held
Term ended
Term ended Oct 11, 2020 · Medium confidence
Term endedTerm ended Oct 11, 2020Medium confidence
US 6,826,551System, computer software program product, and method for producing a contextual electronic message from an input to a pen-enabled computing system
Term ended
Term ended May 10, 2020 · From the USPTO record
Term endedTerm ended May 10, 2020From the USPTO record
10 of 14 patents shown.
Pro members see all 14.
Pro members: see all 14 patents
The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited